Hans C. Oettgen, MD, PHD
Allergy & Immunology Physician · Boston, MA
Hans C. Oettgen, MD, PHD is an allergy & immunology physician with a practice address in Boston, Massachusetts, and NPI 1245325174, issued on Oct 4, 2006. Check the license (Massachusetts 72308, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Hans C. Oettgen
- Credential
- MD, PHD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 72308 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-6117
- Enumerated
- Oct 4, 2006
- Record last updated
- Aug 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 3122880 MA
- Medicare enrollment
- Enrolled (PECOS I20041004000629); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1987
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 121 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hans C. Oettgen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 72308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
20 Medicare Part D claims, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Children's Hospital Pediatric Associates, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hans C. Oettgen among 121 allergy & immunology physician records in Massachusetts
Hans C. Oettgen, MD, PHD is one of 121 allergy & immunology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1987 · median 2003 among the 86 with a school on file
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Massachusetts
There are 121 allergy & immunology physician records in Massachusetts.
All 121 in Massachusetts → Every provider in Boston → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Kathleen Buchheit, M.D.Boston, MA 021151841511490
- Dinah Foer, M.D.Boston, MA 021151144634890
- Ari Fried, M.D.Boston, MA 021151083823926
- Raif Geha, MDBoston, MA 021151700963485
- Matthew Giannetti, M.D.Boston, MA 021151164716171
- John Lee, M.D.Boston, MA 021151427016807
- Kathleen Lee-Sarwar, M.D.Boston, MA 021151881957926
- Wayne Marasco, M.D., PH.D.Boston, MA 021151104901396
Common questions
What is Hans C. Oettgen, MD, PHD's NPI number?
Hans C. Oettgen, MD, PHD's National Provider Identifier (NPI) is 1245325174, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hans C. Oettgen, MD, PHD located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6117. Providers update this record themselves, so call before visiting.
How can I verify Hans C. Oettgen, MD, PHD's license?
NPPES lists Massachusetts license number 72308, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hans C. Oettgen, MD, PHD prescribe under Medicare Part D?
In 2024, Hans C. Oettgen, MD, PHD had 20 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.